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7594407 |
Monitoring refrigerant in a refrigeration system
A method for monitoring refrigerant in a refrigeration system includes calculating a saturation temperature of refrigerant in a refrigeration system based on at least one of a discharge pressure...
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7591139 |
Method for ensuring the use of brine with an optimal composition
A method of freezing with brine comprising releasing at least one ingredient in an effective amount from an automated device into the brine so that the brine is rendered unusable for its intended...
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7584899 |
HVAC controller
An HVAC controller with a simplified and/or lower cost user interface. In one illustrative embodiment, the HVAC controller includes two switches, a movable member, and a plurality of detents. The...
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7578135 |
Recessed climate controller
A climate controller is mounted to a wall having an exterior surface. The climate controller includes a mounting bracket recessed within the wall and having a cavity therein. A faceplate is mounted...
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7568358 |
Control for a refrigerator door dispenser light
A door mounted dispenser for a refrigerator includes rear and opposing side walls that collectively define a cavity, a release mechanism for dispensing ice and/or water and a light for illuminating...
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7562537 |
Method of determining cooling system effectiveness
A method and apparatus is disclosed for detecting the ineffectiveness or failure of a fan that is used to cool an electronic device. The method and apparatus use temperatures measured before and...
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7549389 |
Ball valve apparatus having a moisture indicator
A ball valve apparatus for a refrigeration system is described. The ball valve apparatus comprises a ball valve for controlling flow of refrigerant and a moisture indicator for showing a moisture...
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7546745 |
Refrigerator and display device guiding apparatus of the same
A display device guiding apparatus includes a receiving portion in which a display device can be received and a guide unit provided between the display device and the receiving portion. The guide...
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7511505 |
Centralized connector module having component diagnostic capability, refrigeration unit incorporating the same and methods of assembling and troubleshooting a refrigeration unit
A centralized connector module, a refrigeration unit and a method of assembling a refrigeration unit. In one embodiment, the centralized connector module includes (1) a dielectric body having...
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7451606 |
HVAC system analysis tool
A tool for the analysis of heating, ventilation and air conditioning (HVAC) systems, methods for performing various analyses of an HVAC system with the tool, and a computer executable program used...
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7450017 |
System to detect and monitor temperature
The system 10 of the preferred embodiment includes a sensor 12 to detect temperature; a user interface 14 that includes a display 16 to output the detected temperature, controls 18 to...
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7421852 |
Media sampling device
A monitoring device for use in monitoring the life of a filter used in the operating unit of an air conditioning system. The monitoring device has a support for use in attaching the device to the...
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7415832 |
Method of freezing with brine
Improved brine solutions and uses thereof for uncontaminatedly and/or efficiently freezing items such as foods, and biological samples. In accordance with one embodiment, a brine solution...
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7392158 |
Drive unit for compressor and refrigerator
An instantaneous current and instantaneous voltage of a three-phase coil of a brushless DC motor are detected, and the internal condition of a compressor is predicted from these detection values....
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7389649 |
Cooling system with variable duty cycle capacity control
A control system for a cooling system includes a first sensor for sensing a property indicative of demand for cooling and a controller coupled to the sensor. The controller produces the variable...
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7370485 |
Performance testing apparatus of refrigerating cycle
A performance testing apparatus includes a refrigerant pipe provided with open ends, and installed such that a condenser, an expansion device and an evaporator are sequentially aligned from one end...
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7349824 |
Method and system for evaluating the efficiency of an air conditioning apparatus
The applicant describes a system and methods of calculating the overall operating efficiency of an air conditioning chiller that evaluates efficiency of the component parts of the chiller and...
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7313923 |
Compressor diagnostic system for communicating with an intelligent device
A compressor includes a motor protector which stops the compressor motor when it senses an out of specification condition. A diagnostic system monitors the status of the motor protector and...
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7302805 |
Sensor array used for monitoring at least two physical parameters
A sensor array, particularly for vehicle air conditioners, having a housing, in which an electronic unit, a first sensor element connected with the electronic unit for measuring a first physical...
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7266956 |
Base pan and cabinet for an air conditioner
An air conditioner includes an outdoor section comprising an outdoor coil, a fan, and a refrigerant compressor housed within a cabinet. The cabinet includes an outer wrapper supported by a plastic...
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7181954 |
Refrigerant leak detector compressor
A motor control unit 107 that controls a drive device 100 of a brushless DC motor 101 of a compressor 12 in a refrigerator 1 determines that a flammable refrigerant is not leaking when it...
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7178349 |
System and method for switching communication mode of a detachable pad refrigerator
A system and method for switching a communication mode of a detachable pad refrigerator, wherein the attachment/detachment of a client pad to/from the refrigerator is sensed and the communication...
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7047158 |
Method and device for monitoring the performance of industrial equipment
A method and an apparatus for automatically monitoring the performance of industrial equipment during its operation. During this monitoring, various operating parameters of the equipment are...
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7017358 |
Apparatus and method for controlling the temperature of an electronic device
An apparatus for controlling the temperature of an electronic device under test includes a thermal head. The thermal head defines a flow channel for passage of a refrigerant fluid so as to cause...
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6968706 |
HVAC system with refrigerant venting
Each blow-off valve includes a valve body with a first movable wall defining a portion of the liquid fluid passage therein and a second movable wall defining a portion of the suction fluid passage...
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6919795 |
Method and apparatus for keeping a check on the storage time for goods in a storage
Method and an apparatus for registering and supervision of the positions and time of storage of articles entered into a cabinet or other delimited space. A preferred fields of application is...
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6877669 |
Control apparatus of air conditioning system
Electrical circuits ( 35 a )-( 37 a ) and exclusive ICs ( 35 b )-( 37 b ) which are for data communication are respectively included inside of a housing of actuator side connectors ( 22 ′)-( 24...
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6817192 |
Device to record age of food
A food storage monitoring system device comprising a battery powered digital timer device having an LCD digital readout describing the elapsed days and hours per day, and a reset button to reset...
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6741236 |
Informing apparatus and method for exchange time of expendable supplies in refrigerator
The present invention relates to an informing apparatus and method for exchange time of expendable supplies in a refrigerator. In the present invention, an exchange date of the expendable supplies...
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6739144 |
EMI reducing structure in refrigerator
The present invention relates to an EMI reducing structure in a refrigerator. The present invention aims at minimizing electromagnetic waves radiated from a cable 60 for transmitting signals from...
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6732538 |
Apparatus and method for diagnosing performance of air-conditioning systems
The present application reveals a simplified method and a device for diagnosing performance of an air-conditioning system. The simplified method comprises determining a temperature differential or...
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6708508 |
Method of monitoring refrigerant level
The invention relates to a method of refrigerant level monitoring in a refrigerant circuit of an air-conditioning or heat-pump system having a compressor and a refrigerant which may, depending on...
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6708506 |
Display apparatus for refrigerator
The present invention relates to a display apparatus for a refrigerator. In the present invention, the display apparatus is constructed by using a single-sided board 30 with circuit patterns 32 ...
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6701725 |
Estimating operating parameters of vapor compression cycle equipment
A process for estimating the capacity and the coefficient of performance by taking common measurements and using compressor manufacturer's performance data is presented. A process for determining a...
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6692093 |
Device for adjusting mounting angle of LCD for refrigerator
Device for adjusting a mounting angle of an LCD for a refrigerator including an LCD rotatably mounted on a front surface of a door of a refrigerator by a hinge, and mounting angle adjusting means...
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6679070 |
Method for identifying thawed and refrozen products
A method of freezing a food product comprises the step of forming an indentation on the frozen food product. Such indentation is capable of being irreversibly altered after the frozen food product...
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6658373 |
Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment
An apparatus and method for detecting faults and providing diagnostic information in a refrigeration system comprising a microprocessor, a means for inputting information to the microprocessor, a...
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6644044 |
Refrigerator, marking system, and method for marking
A multi-temperature refrigerator, of which the evaporators serving for cooling the compartments of different temperature can be activated separately through a 3/2-way solenoid valve, the solenoid...
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6637217 |
Ice maker for refrigerator and control method thereof
An ice maker of a refrigerator includes: an ice making vessel having a plurality of cavities; an ejector for separating ice formed in the cavity from the ice making vessel and discharging the ice...
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6622497 |
Device for indicating the formation of ice in refrigeration appliances
A device for indicating the formation of ice in refrigeration appliances, such as the refrigerators of domestic use, comprising a display, which is mounted inside the refrigeration cabinet and...
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6613236 |
Water filter monitoring and indicating system
A low cost method and apparatus for indicating when to replace a water filter in a water and ice delivery system for a refrigerator. The invention uses a low cost microprocessor and senses the...
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6609387 |
Auger type ice making machine
A detection device for detecting rotational abnormalities of an auger is formed within an ice making cylinder. The rotational abnormality detection device has a detecting portion made from a...
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6584786 |
Food preservation refrigerator closure member carrying an interface for controlling its operation
A food preservation refrigerator such as an upright refrigerator or a chest freezer comprises at least one food preservation compartment on which at least one corresponding closure member is...
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6546741 |
Power-saving apparatus and method for display portion of refrigerator
The present invention relates to a power-saving apparatus and method for a display portion of a refrigerator, and more particularly, to a power-saving apparatus and method for a display portion of...
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6526766 |
Refrigerator and method of operating refrigerator
A temperature controller is in a position at a height of 130 cm or more from a base surface settling, of which the refrigerator is settled, on a door of the refrigerator, which position is on an...
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6435779 |
Method and apparatus for introducing a tablet into a climate control system
A method and apparatus for introducing a tablet into a climate control system is described. The tablet can include a leak detection dye which is placed into appropriate locations within the system...
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6430946 |
Structure for mounting monitor on refrigerator
Structure for mounting a monitor on a refrigerator including the monitor mounted on a front face of the refrigerator for presenting a picture, and a controlling part mounted on a top of the...
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6415623 |
Point of sale product chiller
An improved point-of-sale product chiller that is modular in design and construction whereby the server may be readily produced in various sizes and capacities for point-of-sale display and sale of...
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6386272 |
Device and method for detecting fouling in a shell and tube heat exchanger
A system for calculating the degree of fouling in a heat exchanger having at least one longitudinal tube inside of a shell, the shell having a first heat exchange medium flowing inside the tube and...
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6345516 |
Adsorbent unit with refrigerant tracer dye compartment
An adsorbent unit for a refrigerant accumulator having a housing with a bottom wall and a side wall and a U-shaped pipe with a return bend adjacent the bottom wall and with first and second pipe...
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